Revert 150342 "Implement filter primitive subregion for referenc..."

trunk/Source/core/svg/graphics/filters/SVGFilter.h

Index: trunk/Source/core/svg/graphics/filters/SVGFilter.h
===================================================================
--- trunk/Source/core/svg/graphics/filters/SVGFilter.h	(revision 150368)
+++ trunk/Source/core/svg/graphics/filters/SVGFilter.h	(working copy)
@@ -38,6 +38,9 @@
 public:
     static PassRefPtr<SVGFilter> create(const AffineTransform&, const FloatRect&, const FloatRect&, const FloatRect&, bool);
 
+    FloatRect filterRegionInUserSpace() const { return m_filterRegion; }
+    virtual FloatRect filterRegion() const { return m_absoluteFilterRegion; }
+
     virtual float applyHorizontalScale(float value) const;
     virtual float applyVerticalScale(float value) const;
 
@@ -49,6 +52,8 @@
 
     FloatRect m_absoluteSourceDrawingRegion;
     FloatRect m_targetBoundingBox;
+    FloatRect m_absoluteFilterRegion;
+    FloatRect m_filterRegion;
     bool m_effectBBoxMode;
 };